import{AnimationFrameScheduler}from'./AnimationFrameScheduler';/** * * Animation Frame Scheduler * * <span class="informal">Perform task when `window.requestAnimationFrame` would fire</span> * * When `animationFrame` scheduler is used with delay, it will fall back to {@link asyncScheduler} scheduler * behaviour. * * Without delay, `animationFrame` scheduler can be used to create smooth browser animations. * It makes sure scheduled task will happen just before next browser content repaint, * thus performing animations as efficiently as possible. * * ## Example * Schedule div height animation * ```ts * // html: <div style="background: #0ff;"></div> * import { animationFrameScheduler } from 'rxjs'; * * const div = document.querySelector('div'); * * animationFrameScheduler.schedule(function(height) { * div.style.height = height + "px"; * * this.schedule(height + 1); // `this` references currently executing Action, * // which we reschedule with new state * }, 0, 0); * * // You will see a div element growing in height * ``` * * @static true * @name animationFrame * @owner Scheduler */exportdeclareconstanimationFrame:AnimationFrameScheduler;